The chemicals maker has finished building a plant in Ochang, South Korea, that can supply lithium-ion batteries for 100,000 vehicles every year, LG Chem said in a regulatory filing today. The plant is the world’s largest by capacity, the company said.

The shares rose to a record today as LG Chem said it aims to get 2 trillion won in battery sales by 2013 and 4 trillion won by 2015. The company has signed supply deals with carmakers including Ford Motor Co., China-based Chongqing Changan Automobile Co. and Renault SA, and aims to capture 25 percent of the world’s electric-car battery market within four years.

“Its efforts are starting to bear fruit after General Motors Corp. and other carmakers agreed to use its battery technology,” said Hwang Kyu Won, an analyst at Tong Yang Investment Bank in Seoul, who maintains a buy recommendation on the stock. “Annual revenue from battery sales will increase, with LG Chem maintaining an edge in the global battery market.”

The company is currently building a second plant in South Korea and a third in the U.S., with operations slated to begin in 2012. LG Chem said last year it may be able to supply batteries for 350,000 vehicles annually by 2013.

The shares rose 1.9 percent to 477,500 won in Seoul trading, compared with the 0.2 percent decline in the benchmark Kospi Index. LG Chem advanced 91 percent in the past year.

General Motors Vice Chairman Stephen Girsky, who attended the completion ceremony of the Ochang plant today, said the U.S. carmaker plans to invest 4.8 trillion won in South Korea over the next three years. He didn’t elaborate.

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The Green Living Guy, Seth Leitman is a green living expert, celebrity and Editor of the McGraw-Hill, TAB Green Guru Guides. Seth is also an Author, Radio Host, Reporter, Writer and a Environmental Consultant on green living. The Green Living Guy writes about green living, green lighting, the green guru guides and more. Seth's books range from:
# Build Your Own Electric Vehicle by Bob Brant and Seth Leitman (2nd and 3rd editions)
# Build Your Own Plug-in Hybrid Electric Vehicle by Seth Leitman
# Build Your Own Electric Motorcycle by Carl Vogel
# Green Lighting by Seth Leitman, Brian Clark Howard and Bill Brinsky
# Solar Power For Your Home by David Findley
# Renewable Energies For Your Home by Russel Gehrke
# Do-it-Yourself Home Energy Audits by David Findley
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